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diff --git a/src/sage/graphs/generic_graph.py b/src/sage/graphs/generic_graph.py
index 252984f..ce19682 100644
--- a/src/sage/graphs/generic_graph.py
+++ b/src/sage/graphs/generic_graph.py
@@ -8188,10 +8188,12 @@ class GenericGraph(GenericGraph_pyx):
if algorithm is None:
if vertex_bound:
algorithm = "LP"
- elif is_package_installed("python_igraph"):
- algorithm = "igraph"
else:
- algorithm = "FF"
+ algorithm = "igraph"
+ try:
+ import igraph
+ except ImportError:
+ algorithm = "FF"
if (algorithm == "FF"):
return self._ford_fulkerson(x,y, value_only=value_only, integer=integer, use_edge_labels=use_edge_labels)
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